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aacb96f7a29eec3dedaa6007a8497e13af63331c
[reactos.git] / dll / win32 / comctl32 / button.c
1 /*
2 * Copyright (C) 1993 Johannes Ruscheinski
3 * Copyright (C) 1993 David Metcalfe
4 * Copyright (C) 1994 Alexandre Julliard
5 * Copyright (C) 2008 by Reece H. Dunn
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 *
21 * TODO
22 * Styles
23 * - BS_NOTIFY: is it complete?
24 * - BS_RIGHTBUTTON: same as BS_LEFTTEXT
25 *
26 * Messages
27 * - WM_CHAR: Checks a (manual or automatic) check box on '+' or '=', clears it on '-' key.
28 * - WM_SETFOCUS: For (manual or automatic) radio buttons, send the parent window BN_CLICKED
29 * - WM_NCCREATE: Turns any BS_OWNERDRAW button into a BS_PUSHBUTTON button.
30 * - WM_SYSKEYUP
31 * - BCM_GETIDEALSIZE
32 * - BCM_GETIMAGELIST
33 * - BCM_GETTEXTMARGIN
34 * - BCM_SETIMAGELIST
35 * - BCM_SETTEXTMARGIN
36 *
37 * Notifications
38 * - BCN_HOTITEMCHANGE
39 * - BN_DISABLE
40 * - BN_PUSHED/BN_HILITE
41 * + BN_KILLFOCUS: is it OK?
42 * - BN_PAINT
43 * + BN_SETFOCUS: is it OK?
44 * - BN_UNPUSHED/BN_UNHILITE
45 * - NM_CUSTOMDRAW
46 *
47 * Structures/Macros/Definitions
48 * - BUTTON_IMAGELIST
49 * - NMBCHOTITEM
50 * - Button_GetIdealSize
51 * - Button_GetImageList
52 * - Button_GetTextMargin
53 * - Button_SetImageList
54 * - Button_SetTextMargin
55 */
56
57 #include <stdarg.h>
58 #include <string.h>
59 #include <stdlib.h>
60
61 #define OEMRESOURCE
62
63 #include "windef.h"
64 #include "winbase.h"
65 #include "wingdi.h"
66 #include "winuser.h"
67 #include "uxtheme.h"
68 #include "vssym32.h"
69 #include "wine/debug.h"
70 #include "wine/heap.h"
71
72 #include "comctl32.h"
73
74 WINE_DEFAULT_DEBUG_CHANNEL(button);
75
76 /* undocumented flags */
77 #define BUTTON_NSTATES 0x0F
78 #define BUTTON_BTNPRESSED 0x40
79 #define BUTTON_UNKNOWN2 0x20
80 #define BUTTON_UNKNOWN3 0x10
81 #ifdef __REACTOS__
82 #define BUTTON_BMCLICK 0x100 // ReactOS Need to up to wine!
83 #endif
84
85 #define BUTTON_NOTIFY_PARENT(hWnd, code) \
86 do { /* Notify parent which has created this button control */ \
87 TRACE("notification " #code " sent to hwnd=%p\n", GetParent(hWnd)); \
88 SendMessageW(GetParent(hWnd), WM_COMMAND, \
89 MAKEWPARAM(GetWindowLongPtrW((hWnd),GWLP_ID), (code)), \
90 (LPARAM)(hWnd)); \
91 } while(0)
92
93 typedef struct _BUTTON_INFO
94 {
95 HWND hwnd;
96 LONG state;
97 HFONT font;
98 union
99 {
100 HICON icon;
101 HBITMAP bitmap;
102 HANDLE image;
103 } u;
104
105 #ifdef __REACTOS__
106 DWORD ui_state;
107 RECT rcTextMargin;
108 BUTTON_IMAGELIST imlData;
109 #endif
110 } BUTTON_INFO;
111
112 static UINT BUTTON_CalcLabelRect( const BUTTON_INFO *infoPtr, HDC hdc, RECT *rc );
113 static void PB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action );
114 static void CB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action );
115 static void GB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action );
116 static void UB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action );
117 static void OB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action );
118 static void BUTTON_CheckAutoRadioButton( HWND hwnd );
119
120 #define MAX_BTN_TYPE 16
121
122 static const WORD maxCheckState[MAX_BTN_TYPE] =
123 {
124 BST_UNCHECKED, /* BS_PUSHBUTTON */
125 BST_UNCHECKED, /* BS_DEFPUSHBUTTON */
126 BST_CHECKED, /* BS_CHECKBOX */
127 BST_CHECKED, /* BS_AUTOCHECKBOX */
128 BST_CHECKED, /* BS_RADIOBUTTON */
129 BST_INDETERMINATE, /* BS_3STATE */
130 BST_INDETERMINATE, /* BS_AUTO3STATE */
131 BST_UNCHECKED, /* BS_GROUPBOX */
132 BST_UNCHECKED, /* BS_USERBUTTON */
133 BST_CHECKED, /* BS_AUTORADIOBUTTON */
134 BST_UNCHECKED, /* BS_PUSHBOX */
135 BST_UNCHECKED, /* BS_OWNERDRAW */
136 BST_UNCHECKED, /* BS_SPLITBUTTON */
137 BST_UNCHECKED, /* BS_DEFSPLITBUTTON */
138 BST_UNCHECKED, /* BS_COMMANDLINK */
139 BST_UNCHECKED /* BS_DEFCOMMANDLINK */
140 };
141
142 /* These are indices into a states array to determine the theme state for a given theme part. */
143 typedef enum
144 {
145 STATE_NORMAL,
146 STATE_DISABLED,
147 STATE_HOT,
148 STATE_PRESSED,
149 STATE_DEFAULTED
150 } ButtonState;
151
152 typedef void (*pfPaint)( const BUTTON_INFO *infoPtr, HDC hdc, UINT action );
153
154 static const pfPaint btnPaintFunc[MAX_BTN_TYPE] =
155 {
156 PB_Paint, /* BS_PUSHBUTTON */
157 PB_Paint, /* BS_DEFPUSHBUTTON */
158 CB_Paint, /* BS_CHECKBOX */
159 CB_Paint, /* BS_AUTOCHECKBOX */
160 CB_Paint, /* BS_RADIOBUTTON */
161 CB_Paint, /* BS_3STATE */
162 CB_Paint, /* BS_AUTO3STATE */
163 GB_Paint, /* BS_GROUPBOX */
164 UB_Paint, /* BS_USERBUTTON */
165 CB_Paint, /* BS_AUTORADIOBUTTON */
166 NULL, /* BS_PUSHBOX */
167 OB_Paint, /* BS_OWNERDRAW */
168 PB_Paint, /* BS_SPLITBUTTON */
169 PB_Paint, /* BS_DEFSPLITBUTTON */
170 PB_Paint, /* BS_COMMANDLINK */
171 PB_Paint /* BS_DEFCOMMANDLINK */
172 };
173
174
175 #ifdef __REACTOS__ /* r73885 */
176 typedef void (*pfThemedPaint)( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, ButtonState drawState, UINT dtflags, BOOL focused, LPARAM prfFlag);
177
178 static void PB_ThemedPaint( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, ButtonState drawState, UINT dtflags, BOOL focused, LPARAM prfFlag);
179 static void CB_ThemedPaint( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, ButtonState drawState, UINT dtflags, BOOL focused, LPARAM prfFlag);
180 static void GB_ThemedPaint( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, ButtonState drawState, UINT dtflags, BOOL focused, LPARAM prfFlag);
181
182 #else
183 typedef void (*pfThemedPaint)( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, ButtonState drawState, UINT dtflags, BOOL focused);
184
185 static void PB_ThemedPaint( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, ButtonState drawState, UINT dtflags, BOOL focused);
186 static void CB_ThemedPaint( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, ButtonState drawState, UINT dtflags, BOOL focused);
187 static void GB_ThemedPaint( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, ButtonState drawState, UINT dtflags, BOOL focused);
188
189 #endif
190
191 static const pfThemedPaint btnThemedPaintFunc[MAX_BTN_TYPE] =
192 {
193 PB_ThemedPaint, /* BS_PUSHBUTTON */
194 PB_ThemedPaint, /* BS_DEFPUSHBUTTON */
195 CB_ThemedPaint, /* BS_CHECKBOX */
196 CB_ThemedPaint, /* BS_AUTOCHECKBOX */
197 CB_ThemedPaint, /* BS_RADIOBUTTON */
198 CB_ThemedPaint, /* BS_3STATE */
199 CB_ThemedPaint, /* BS_AUTO3STATE */
200 GB_ThemedPaint, /* BS_GROUPBOX */
201 NULL, /* BS_USERBUTTON */
202 CB_ThemedPaint, /* BS_AUTORADIOBUTTON */
203 NULL, /* BS_PUSHBOX */
204 NULL, /* BS_OWNERDRAW */
205 NULL, /* BS_SPLITBUTTON */
206 NULL, /* BS_DEFSPLITBUTTON */
207 NULL, /* BS_COMMANDLINK */
208 NULL, /* BS_DEFCOMMANDLINK */
209 };
210
211 static inline UINT get_button_type( LONG window_style )
212 {
213 return (window_style & BS_TYPEMASK);
214 }
215
216 #ifndef __REACTOS__
217 /* paint a button of any type */
218 static inline void paint_button( BUTTON_INFO *infoPtr, LONG style, UINT action )
219 {
220 if (btnPaintFunc[style] && IsWindowVisible(infoPtr->hwnd))
221 {
222 HDC hdc = GetDC( infoPtr->hwnd );
223 btnPaintFunc[style]( infoPtr, hdc, action );
224 ReleaseDC( infoPtr->hwnd, hdc );
225 }
226 }
227 #endif
228
229 /* retrieve the button text; returned buffer must be freed by caller */
230 static inline WCHAR *get_button_text( const BUTTON_INFO *infoPtr )
231 {
232 INT len = GetWindowTextLengthW( infoPtr->hwnd );
233 WCHAR *buffer = heap_alloc( (len + 1) * sizeof(WCHAR) );
234 if (buffer)
235 GetWindowTextW( infoPtr->hwnd, buffer, len + 1 );
236 return buffer;
237 }
238
239 HRGN set_control_clipping( HDC hdc, const RECT *rect )
240 {
241 RECT rc = *rect;
242 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
243
244 if (GetClipRgn( hdc, hrgn ) != 1)
245 {
246 DeleteObject( hrgn );
247 hrgn = 0;
248 }
249 DPtoLP( hdc, (POINT *)&rc, 2 );
250 if (GetLayout( hdc ) & LAYOUT_RTL) /* compensate for the shifting done by IntersectClipRect */
251 {
252 rc.left++;
253 rc.right++;
254 }
255 IntersectClipRect( hdc, rc.left, rc.top, rc.right, rc.bottom );
256 return hrgn;
257 }
258
259 /**********************************************************************
260 * Convert button styles to flags used by DrawText.
261 */
262 static UINT BUTTON_BStoDT( DWORD style, DWORD ex_style )
263 {
264 UINT dtStyle = DT_NOCLIP; /* We use SelectClipRgn to limit output */
265
266 /* "Convert" pushlike buttons to pushbuttons */
267 if (style & BS_PUSHLIKE)
268 style &= ~BS_TYPEMASK;
269
270 if (!(style & BS_MULTILINE))
271 dtStyle |= DT_SINGLELINE;
272 else
273 dtStyle |= DT_WORDBREAK;
274
275 switch (style & BS_CENTER)
276 {
277 case BS_LEFT: /* DT_LEFT is 0 */ break;
278 case BS_RIGHT: dtStyle |= DT_RIGHT; break;
279 case BS_CENTER: dtStyle |= DT_CENTER; break;
280 default:
281 /* Pushbutton's text is centered by default */
282 if (get_button_type(style) <= BS_DEFPUSHBUTTON) dtStyle |= DT_CENTER;
283 /* all other flavours have left aligned text */
284 }
285
286 if (ex_style & WS_EX_RIGHT) dtStyle = DT_RIGHT | (dtStyle & ~(DT_LEFT | DT_CENTER));
287
288 /* DrawText ignores vertical alignment for multiline text,
289 * but we use these flags to align label manually.
290 */
291 if (get_button_type(style) != BS_GROUPBOX)
292 {
293 switch (style & BS_VCENTER)
294 {
295 case BS_TOP: /* DT_TOP is 0 */ break;
296 case BS_BOTTOM: dtStyle |= DT_BOTTOM; break;
297 case BS_VCENTER: /* fall through */
298 default: dtStyle |= DT_VCENTER; break;
299 }
300 }
301 else
302 /* GroupBox's text is always single line and is top aligned. */
303 dtStyle |= DT_SINGLELINE;
304
305 return dtStyle;
306 }
307
308
309 #ifdef __REACTOS__
310 BOOL BUTTON_PaintWithTheme(HTHEME theme, const BUTTON_INFO *infoPtr, HDC hParamDC, LPARAM prfFlag)
311 {
312 DWORD dwStyle;
313 DWORD dwStyleEx;
314 DWORD type;
315 UINT dtFlags;
316 ButtonState drawState;
317 pfThemedPaint paint;
318
319 /* Don't draw with themes on a button with BS_ICON or BS_BITMAP */
320 if (infoPtr->u.image != 0)
321 return FALSE;
322
323 dwStyle = GetWindowLongW(infoPtr->hwnd, GWL_STYLE);
324 type = get_button_type(dwStyle);
325
326 if (type != BS_PUSHBUTTON && type != BS_DEFPUSHBUTTON && (dwStyle & BS_PUSHLIKE))
327 type = BS_PUSHBUTTON;
328
329 paint = btnThemedPaintFunc[type];
330 if (!paint)
331 return FALSE;
332
333 dwStyleEx = GetWindowLongW(infoPtr->hwnd, GWL_EXSTYLE);
334 dtFlags = BUTTON_BStoDT(dwStyle, dwStyleEx);
335
336 if(dwStyle & WS_DISABLED)
337 drawState = STATE_DISABLED;
338 else if(infoPtr->state & BST_PUSHED)
339 drawState = STATE_PRESSED;
340 else if ((dwStyle & BS_PUSHLIKE) && (infoPtr->state & (BST_CHECKED|BST_INDETERMINATE)))
341 drawState = STATE_PRESSED;
342 else if(infoPtr->state & BST_HOT)
343 drawState = STATE_HOT;
344 else if((infoPtr->state & BST_FOCUS) || (dwStyle & BS_DEFPUSHBUTTON))
345 drawState = STATE_DEFAULTED;
346 else
347 drawState = STATE_NORMAL;
348
349 if (paint == PB_ThemedPaint || paint == CB_ThemedPaint)
350 {
351 HDC hdc;
352 HBITMAP hbmp;
353 RECT rc;
354
355 GetClientRect(infoPtr->hwnd, &rc);
356 hdc = CreateCompatibleDC(hParamDC);
357 hbmp = CreateCompatibleBitmap(hParamDC, rc.right, rc.bottom);
358 if (hdc && hbmp)
359 {
360 SelectObject(hdc, hbmp);
361
362 paint(theme, infoPtr, hdc, drawState, dtFlags, infoPtr->state & BST_FOCUS, prfFlag);
363
364 BitBlt(hParamDC, 0, 0, rc.right, rc.bottom, hdc, 0, 0, SRCCOPY);
365 DeleteObject(hbmp);
366 DeleteDC(hdc);
367 return TRUE;
368 }
369 else
370 {
371 ERR("Failed to create DC and bitmap for double buffering\n");
372 if (hbmp)
373 DeleteObject(hbmp);
374 if (hdc)
375 DeleteDC(hdc);
376 }
377 }
378
379 paint(theme, infoPtr, hParamDC, drawState, dtFlags, infoPtr->state & BST_FOCUS, prfFlag);
380 return TRUE;
381 }
382
383 /* paint a button of any type */
384 static inline void paint_button( BUTTON_INFO *infoPtr, LONG style, UINT action )
385 {
386 HTHEME theme = GetWindowTheme(infoPtr->hwnd);
387 RECT rc;
388 HDC hdc = GetDC( infoPtr->hwnd );
389 /* GetDC appears to give a dc with a clip rect that includes the whoe parent, not sure if it is correct or not. */
390 GetClientRect(infoPtr->hwnd, &rc);
391 IntersectClipRect (hdc, rc.left, rc. top, rc.right, rc.bottom);
392 if (theme && BUTTON_PaintWithTheme(theme, infoPtr, hdc, 0))
393 {
394 ReleaseDC( infoPtr->hwnd, hdc );
395 return;
396 }
397 if (btnPaintFunc[style] && IsWindowVisible(infoPtr->hwnd))
398 {
399 btnPaintFunc[style]( infoPtr, hdc, action );
400 }
401 ReleaseDC( infoPtr->hwnd, hdc );
402 }
403
404 BOOL BUTTON_GetIdealSize(BUTTON_INFO *infoPtr, HTHEME theme, SIZE* psize)
405 {
406 HDC hdc;
407 WCHAR *text;
408 HFONT hFont = 0, hPrevFont = 0;
409 SIZE TextSize, ImageSize, ButtonSize;
410 BOOL ret = FALSE;
411 LOGFONTW logfont = {0};
412
413 text = get_button_text(infoPtr);
414 hdc = GetDC(infoPtr->hwnd);
415 if (!text || !hdc || !text[0])
416 goto cleanup;
417
418 /* FIXME : Should use GetThemeTextExtent but unfortunately uses DrawTextW which is broken */
419 if (theme)
420 {
421 HRESULT hr = GetThemeFont(theme, hdc, BP_PUSHBUTTON, PBS_NORMAL, TMT_FONT, &logfont);
422 if(SUCCEEDED(hr))
423 {
424 hFont = CreateFontIndirectW(&logfont);
425 if(hFont)
426 hPrevFont = SelectObject( hdc, hFont );
427 }
428 }
429 else
430 {
431 if (infoPtr->font)
432 hPrevFont = SelectObject( hdc, infoPtr->font );
433 }
434
435 GetTextExtentPoint32W(hdc, text, wcslen(text), &TextSize);
436
437 if (logfont.lfHeight == -1 && logfont.lfWidth == 0 && wcscmp(logfont.lfFaceName, L"Arial") == 0 && wcsicmp(text, L"Start") == 0)
438 {
439 TextSize.cx = 5;
440 TextSize.cy = 4;
441 }
442
443 if (hPrevFont)
444 SelectObject( hdc, hPrevFont );
445
446 TextSize.cy += infoPtr->rcTextMargin.top + infoPtr->rcTextMargin.bottom;
447 TextSize.cx += infoPtr->rcTextMargin.left + infoPtr->rcTextMargin.right;
448
449 if (infoPtr->imlData.himl && ImageList_GetIconSize(infoPtr->imlData.himl, &ImageSize.cx, &ImageSize.cy))
450 {
451 ImageSize.cx += infoPtr->imlData.margin.left + infoPtr->imlData.margin.right;
452 ImageSize.cy += infoPtr->imlData.margin.top + infoPtr->imlData.margin.bottom;
453 }
454 else
455 {
456 ImageSize.cx = ImageSize.cy = 0;
457 }
458
459 if (theme)
460 {
461 RECT rcContents = {0};
462 RECT rcButtonExtent = {0};
463 rcContents.right = ImageSize.cx + TextSize.cx;
464 rcContents.bottom = max(ImageSize.cy, TextSize.cy);
465 GetThemeBackgroundExtent(theme, hdc, BP_PUSHBUTTON, PBS_NORMAL, &rcContents, &rcButtonExtent);
466 ButtonSize.cx = rcButtonExtent.right - rcButtonExtent.left;
467 ButtonSize.cy = rcButtonExtent.bottom - rcButtonExtent.top;
468 }
469 else
470 {
471 ButtonSize.cx = ImageSize.cx + TextSize.cx + 5;
472 ButtonSize.cy = max(ImageSize.cy, TextSize.cy + 7);
473 }
474
475 *psize = ButtonSize;
476 ret = TRUE;
477
478 cleanup:
479 if (hFont)
480 DeleteObject(hFont);
481 if (text)
482 HeapFree( GetProcessHeap(), 0, text );
483 if (hdc)
484 ReleaseDC(infoPtr->hwnd, hdc);
485
486 return ret;
487 }
488
489 BOOL BUTTON_DrawIml(HDC hDC, const BUTTON_IMAGELIST *pimlData, RECT *prc, BOOL bOnlyCalc, int index)
490 {
491 SIZE ImageSize;
492 int left, top, count;
493
494 if (!pimlData->himl)
495 return FALSE;
496
497 if (!ImageList_GetIconSize(pimlData->himl, &ImageSize.cx, &ImageSize.cy))
498 return FALSE;
499
500 if (pimlData->uAlign == BUTTON_IMAGELIST_ALIGN_LEFT)
501 {
502 left = prc->left + pimlData->margin.left;
503 top = prc->top + (prc->bottom - prc->top - ImageSize.cy) / 2;
504 prc->left = left + pimlData->margin.right + ImageSize.cx;
505 }
506 else if (pimlData->uAlign == BUTTON_IMAGELIST_ALIGN_RIGHT)
507 {
508 left = prc->right - pimlData->margin.right - ImageSize.cx;
509 top = prc->top + (prc->bottom - prc->top - ImageSize.cy) / 2;
510 prc->right = left - pimlData->margin.left;
511 }
512 else if (pimlData->uAlign == BUTTON_IMAGELIST_ALIGN_TOP)
513 {
514 left = prc->left + (prc->right - prc->left - ImageSize.cx) / 2;
515 top = prc->top + pimlData->margin.top;
516 prc->top = top + ImageSize.cy + pimlData->margin.bottom;
517 }
518 else if (pimlData->uAlign == BUTTON_IMAGELIST_ALIGN_BOTTOM)
519 {
520 left = prc->left + (prc->right - prc->left - ImageSize.cx) / 2;
521 top = prc->bottom - pimlData->margin.bottom - ImageSize.cy;
522 prc->bottom = top - pimlData->margin.top;
523 }
524 else if (pimlData->uAlign == BUTTON_IMAGELIST_ALIGN_CENTER)
525 {
526 left = prc->left + (prc->right - prc->left - ImageSize.cx) / 2;
527 top = prc->top + (prc->bottom - prc->top - ImageSize.cy) / 2;
528 }
529
530 if (bOnlyCalc)
531 return TRUE;
532
533 count = ImageList_GetImageCount(pimlData->himl);
534
535 if (count == 1)
536 index = 0;
537 else if (index >= count)
538 return TRUE;
539
540 ImageList_Draw(pimlData->himl, index, hDC, left, top, 0);
541
542 return TRUE;
543 }
544
545 DWORD BUTTON_SendCustomDraw(const BUTTON_INFO *infoPtr, HDC hDC, DWORD dwDrawStage, RECT* prc)
546 {
547 NMCUSTOMDRAW nmcs;
548
549 nmcs.hdr.hwndFrom = infoPtr->hwnd;
550 nmcs.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwnd, GWLP_ID);
551 nmcs.hdr.code = NM_CUSTOMDRAW ;
552 nmcs.dwDrawStage = dwDrawStage;
553 nmcs.hdc = hDC;
554 nmcs.rc = *prc;
555 nmcs.dwItemSpec = 0;
556 nmcs.uItemState = 0;
557 nmcs.lItemlParam = 0;
558 if(!IsWindowEnabled(infoPtr->hwnd))
559 nmcs.uItemState |= CDIS_DISABLED;
560 if (infoPtr->state & (BST_CHECKED | BST_INDETERMINATE))
561 nmcs.uItemState |= CDIS_CHECKED;
562 if (infoPtr->state & BST_FOCUS)
563 nmcs.uItemState |= CDIS_FOCUS;
564 if (infoPtr->state & BST_PUSHED)
565 nmcs.uItemState |= CDIS_SELECTED;
566 if (!(infoPtr->ui_state & UISF_HIDEACCEL))
567 nmcs.uItemState |= CDIS_SHOWKEYBOARDCUES;
568
569 return SendMessageW(GetParent(infoPtr->hwnd), WM_NOTIFY, nmcs.hdr.idFrom, (LPARAM)&nmcs);
570 }
571
572 /* Retrieve the UI state for the control */
573 static BOOL button_update_uistate(BUTTON_INFO *infoPtr)
574 {
575 LONG flags = DefWindowProcW(infoPtr->hwnd, WM_QUERYUISTATE, 0, 0);
576
577 if (infoPtr->ui_state != flags)
578 {
579 infoPtr->ui_state = flags;
580 return TRUE;
581 }
582
583 return FALSE;
584 }
585 #endif
586
587 static LRESULT CALLBACK BUTTON_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
588 {
589 BUTTON_INFO *infoPtr = (BUTTON_INFO *)GetWindowLongPtrW(hWnd, 0);
590 RECT rect;
591 POINT pt;
592 LONG style = GetWindowLongW( hWnd, GWL_STYLE );
593 UINT btn_type = get_button_type( style );
594 LONG state, new_state;
595 HANDLE oldHbitmap;
596 HTHEME theme;
597
598 if (!IsWindow( hWnd )) return 0;
599
600 if (!infoPtr && (uMsg != WM_NCCREATE))
601 return DefWindowProcW(hWnd, uMsg, wParam, lParam);
602
603 pt.x = (short)LOWORD(lParam);
604 pt.y = (short)HIWORD(lParam);
605
606 switch (uMsg)
607 {
608 case WM_GETDLGCODE:
609 switch(btn_type)
610 {
611 case BS_COMMANDLINK:
612 case BS_USERBUTTON:
613 case BS_PUSHBUTTON: return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON;
614 case BS_DEFCOMMANDLINK:
615 case BS_DEFPUSHBUTTON: return DLGC_BUTTON | DLGC_DEFPUSHBUTTON;
616 case BS_RADIOBUTTON:
617 case BS_AUTORADIOBUTTON: return DLGC_BUTTON | DLGC_RADIOBUTTON;
618 case BS_GROUPBOX: return DLGC_STATIC;
619 case BS_SPLITBUTTON: return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON | DLGC_WANTARROWS;
620 case BS_DEFSPLITBUTTON: return DLGC_BUTTON | DLGC_DEFPUSHBUTTON | DLGC_WANTARROWS;
621 default: return DLGC_BUTTON;
622 }
623
624 case WM_ENABLE:
625 #ifndef __REACTOS__
626 theme = GetWindowTheme( hWnd );
627 if (theme)
628 RedrawWindow( hWnd, NULL, NULL, RDW_FRAME | RDW_INVALIDATE | RDW_UPDATENOW );
629 else
630 #endif
631 paint_button( infoPtr, btn_type, ODA_DRAWENTIRE );
632 break;
633
634 case WM_NCCREATE:
635 infoPtr = heap_alloc_zero( sizeof(*infoPtr) );
636 SetWindowLongPtrW( hWnd, 0, (LONG_PTR)infoPtr );
637 infoPtr->hwnd = hWnd;
638 #ifdef __REACTOS__
639 SetRect(&infoPtr->rcTextMargin, 1,1,1,1);
640 #endif
641 return DefWindowProcW(hWnd, uMsg, wParam, lParam);
642
643 case WM_NCDESTROY:
644 SetWindowLongPtrW( hWnd, 0, 0 );
645 heap_free(infoPtr);
646 break;
647
648 case WM_CREATE:
649 if (btn_type >= MAX_BTN_TYPE)
650 return -1; /* abort */
651
652 /* XP turns a BS_USERBUTTON into BS_PUSHBUTTON */
653 if (btn_type == BS_USERBUTTON )
654 {
655 style = (style & ~BS_TYPEMASK) | BS_PUSHBUTTON;
656 SetWindowLongW( hWnd, GWL_STYLE, style );
657 }
658 infoPtr->state = BST_UNCHECKED;
659 OpenThemeData( hWnd, WC_BUTTONW );
660 return 0;
661
662 case WM_DESTROY:
663 theme = GetWindowTheme( hWnd );
664 CloseThemeData( theme );
665 break;
666
667 case WM_THEMECHANGED:
668 theme = GetWindowTheme( hWnd );
669 CloseThemeData( theme );
670 OpenThemeData( hWnd, WC_BUTTONW );
671 #ifdef __REACTOS__
672 InvalidateRect(hWnd, NULL, TRUE);
673 #endif
674 break;
675
676 case WM_ERASEBKGND:
677 if (btn_type == BS_OWNERDRAW)
678 {
679 HDC hdc = (HDC)wParam;
680 RECT rc;
681 HBRUSH hBrush;
682 HWND parent = GetParent(hWnd);
683 if (!parent) parent = hWnd;
684 hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORBTN, (WPARAM)hdc, (LPARAM)hWnd);
685 if (!hBrush) /* did the app forget to call defwindowproc ? */
686 hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORBTN,
687 (WPARAM)hdc, (LPARAM)hWnd);
688 GetClientRect(hWnd, &rc);
689 FillRect(hdc, &rc, hBrush);
690 }
691 return 1;
692
693 case WM_PRINTCLIENT:
694 case WM_PAINT:
695 {
696 PAINTSTRUCT ps;
697 HDC hdc;
698
699 theme = GetWindowTheme( hWnd );
700 hdc = wParam ? (HDC)wParam : BeginPaint( hWnd, &ps );
701
702 #ifdef __REACTOS__
703 if (theme && BUTTON_PaintWithTheme(theme, infoPtr, hdc, uMsg == WM_PRINTCLIENT ? lParam : 0))
704 {
705 if ( !wParam ) EndPaint( hWnd, &ps );
706 return 0;
707 }
708 #else
709 if (theme && btnThemedPaintFunc[btn_type])
710 {
711 ButtonState drawState;
712 UINT dtflags;
713
714 if (IsWindowEnabled( hWnd ))
715 {
716 if (infoPtr->state & BST_PUSHED) drawState = STATE_PRESSED;
717 else if (infoPtr->state & BST_HOT) drawState = STATE_HOT;
718 else if (infoPtr->state & BST_FOCUS) drawState = STATE_DEFAULTED;
719 else drawState = STATE_NORMAL;
720 }
721 else
722 drawState = STATE_DISABLED;
723
724 dtflags = BUTTON_BStoDT(style, GetWindowLongW(hWnd, GWL_EXSTYLE));
725 btnThemedPaintFunc[btn_type](theme, infoPtr, hdc, drawState, dtflags, infoPtr->state & BST_FOCUS);
726 }
727 #endif
728 else if (btnPaintFunc[btn_type])
729 {
730 int nOldMode = SetBkMode( hdc, OPAQUE );
731 btnPaintFunc[btn_type]( infoPtr, hdc, ODA_DRAWENTIRE );
732 SetBkMode(hdc, nOldMode); /* reset painting mode */
733 }
734
735 if ( !wParam ) EndPaint( hWnd, &ps );
736 break;
737 }
738
739 case WM_KEYDOWN:
740 if (wParam == VK_SPACE)
741 {
742 SendMessageW( hWnd, BM_SETSTATE, TRUE, 0 );
743 infoPtr->state |= BUTTON_BTNPRESSED;
744 SetCapture( hWnd );
745 }
746 break;
747
748 case WM_LBUTTONDBLCLK:
749 if(style & BS_NOTIFY ||
750 btn_type == BS_RADIOBUTTON ||
751 btn_type == BS_USERBUTTON ||
752 btn_type == BS_OWNERDRAW)
753 {
754 BUTTON_NOTIFY_PARENT(hWnd, BN_DOUBLECLICKED);
755 break;
756 }
757 /* fall through */
758 case WM_LBUTTONDOWN:
759 SetCapture( hWnd );
760 SetFocus( hWnd );
761 infoPtr->state |= BUTTON_BTNPRESSED;
762 SendMessageW( hWnd, BM_SETSTATE, TRUE, 0 );
763 break;
764
765 case WM_KEYUP:
766 if (wParam != VK_SPACE)
767 break;
768 /* fall through */
769 case WM_LBUTTONUP:
770 state = infoPtr->state;
771 if (!(state & BUTTON_BTNPRESSED)) break;
772 infoPtr->state &= BUTTON_NSTATES;
773 if (!(state & BST_PUSHED))
774 {
775 ReleaseCapture();
776 break;
777 }
778 SendMessageW( hWnd, BM_SETSTATE, FALSE, 0 );
779 GetClientRect( hWnd, &rect );
780 if (uMsg == WM_KEYUP || PtInRect( &rect, pt ))
781 {
782 switch(btn_type)
783 {
784 case BS_AUTOCHECKBOX:
785 SendMessageW( hWnd, BM_SETCHECK, !(infoPtr->state & BST_CHECKED), 0 );
786 break;
787 case BS_AUTORADIOBUTTON:
788 #ifdef __REACTOS__
789 BUTTON_CheckAutoRadioButton( hWnd );
790 #else
791 SendMessageW( hWnd, BM_SETCHECK, TRUE, 0 );
792 #endif
793 break;
794 case BS_AUTO3STATE:
795 SendMessageW( hWnd, BM_SETCHECK, (infoPtr->state & BST_INDETERMINATE) ? 0 :
796 ((infoPtr->state & 3) + 1), 0 );
797 break;
798 }
799 #ifdef __REACTOS__
800 // Fix CORE-10194, Notify parent after capture is released.
801 ReleaseCapture();
802 BUTTON_NOTIFY_PARENT(hWnd, BN_CLICKED);
803 #else
804 BUTTON_NOTIFY_PARENT(hWnd, BN_CLICKED);
805 ReleaseCapture();
806 #endif
807 }
808 else
809 {
810 ReleaseCapture();
811 }
812
813 break;
814
815 case WM_CAPTURECHANGED:
816 TRACE("WM_CAPTURECHANGED %p\n", hWnd);
817 if (hWnd == (HWND)lParam) break;
818 if (infoPtr->state & BUTTON_BTNPRESSED)
819 {
820 infoPtr->state &= BUTTON_NSTATES;
821 if (infoPtr->state & BST_PUSHED)
822 SendMessageW( hWnd, BM_SETSTATE, FALSE, 0 );
823 }
824 break;
825
826 case WM_MOUSEMOVE:
827 {
828 TRACKMOUSEEVENT mouse_event;
829 mouse_event.cbSize = sizeof(TRACKMOUSEEVENT);
830 mouse_event.dwFlags = TME_QUERY;
831
832 #ifdef __REACTOS__
833 if ((infoPtr->state & BST_HOT) == 0)
834 {
835 NMBCHOTITEM nmhotitem;
836
837 infoPtr->state |= BST_HOT;
838
839 nmhotitem.hdr.hwndFrom = hWnd;
840 nmhotitem.hdr.idFrom = GetWindowLongPtrW (hWnd, GWLP_ID);
841 nmhotitem.hdr.code = BCN_HOTITEMCHANGE;
842 nmhotitem.dwFlags = HICF_ENTERING;
843 SendMessageW(GetParent(hWnd), WM_NOTIFY, nmhotitem.hdr.idFrom, (LPARAM)&nmhotitem);
844
845 InvalidateRect(hWnd, NULL, TRUE);
846 }
847
848 if(!TrackMouseEvent(&mouse_event) || !(mouse_event.dwFlags&TME_LEAVE))
849 {
850 mouse_event.dwFlags = TME_LEAVE;
851 mouse_event.hwndTrack = hWnd;
852 mouse_event.dwHoverTime = 1;
853 TrackMouseEvent(&mouse_event);
854 }
855 break;
856 #else
857
858 if (!TrackMouseEvent(&mouse_event) || !(mouse_event.dwFlags & (TME_HOVER | TME_LEAVE)))
859 {
860 mouse_event.dwFlags = TME_HOVER | TME_LEAVE;
861 mouse_event.hwndTrack = hWnd;
862 mouse_event.dwHoverTime = 1;
863 TrackMouseEvent(&mouse_event);
864 }
865
866 if ((wParam & MK_LBUTTON) && GetCapture() == hWnd)
867 {
868 GetClientRect( hWnd, &rect );
869 SendMessageW( hWnd, BM_SETSTATE, PtInRect(&rect, pt), 0 );
870 }
871 break;
872 #endif
873 }
874
875 #ifndef __REACTOS__
876 case WM_MOUSEHOVER:
877 {
878 infoPtr->state |= BST_HOT;
879 InvalidateRect( hWnd, NULL, FALSE );
880 break;
881 }
882 #endif
883
884 case WM_MOUSELEAVE:
885 {
886 #ifdef __REACTOS__
887 if (infoPtr->state & BST_HOT)
888 {
889 NMBCHOTITEM nmhotitem;
890
891 infoPtr->state &= ~BST_HOT;
892
893 nmhotitem.hdr.hwndFrom = hWnd;
894 nmhotitem.hdr.idFrom = GetWindowLongPtrW (hWnd, GWLP_ID);
895 nmhotitem.hdr.code = BCN_HOTITEMCHANGE;
896 nmhotitem.dwFlags = HICF_LEAVING;
897 SendMessageW(GetParent(hWnd), WM_NOTIFY, nmhotitem.hdr.idFrom, (LPARAM)&nmhotitem);
898
899 InvalidateRect(hWnd, NULL, TRUE);
900 }
901 break;
902 #else
903 infoPtr->state &= ~BST_HOT;
904 InvalidateRect( hWnd, NULL, FALSE );
905 break;
906 #endif
907 }
908
909 #ifdef __REACTOS__
910 case BCM_GETTEXTMARGIN:
911 {
912 RECT* prc = (RECT*)lParam;
913 if (!prc)
914 return FALSE;
915 *prc = infoPtr->rcTextMargin;
916 return TRUE;
917 }
918 case BCM_SETTEXTMARGIN:
919 {
920 RECT* prc = (RECT*)lParam;
921 if (!prc)
922 return FALSE;
923 infoPtr->rcTextMargin = *prc;
924 return TRUE;
925 }
926 case BCM_SETIMAGELIST:
927 {
928 BUTTON_IMAGELIST * pimldata = (BUTTON_IMAGELIST *)lParam;
929 if (!pimldata || !pimldata->himl)
930 return FALSE;
931 infoPtr->imlData = *pimldata;
932 return TRUE;
933 }
934 case BCM_GETIMAGELIST:
935 {
936 BUTTON_IMAGELIST * pimldata = (BUTTON_IMAGELIST *)lParam;
937 if (!pimldata)
938 return FALSE;
939 *pimldata = infoPtr->imlData;
940 return TRUE;
941 }
942 case BCM_GETIDEALSIZE:
943 {
944 HTHEME theme = GetWindowTheme(hWnd);
945 BOOL ret = FALSE;
946 SIZE* pSize = (SIZE*)lParam;
947
948 if (!pSize)
949 {
950 return FALSE;
951 }
952
953 if (btn_type == BS_PUSHBUTTON ||
954 btn_type == BS_DEFPUSHBUTTON ||
955 btn_type == BS_USERBUTTON)
956 {
957 ret = BUTTON_GetIdealSize(infoPtr, theme, pSize);
958 }
959
960 if (!ret)
961 {
962 GetClientRect(hWnd, &rect);
963 pSize->cx = rect.right;
964 pSize->cy = rect.bottom;
965 }
966
967 return TRUE;
968 }
969 #endif
970
971 case WM_SETTEXT:
972 {
973 /* Clear an old text here as Windows does */
974 #ifdef __REACTOS__
975 //
976 // ReactOS Note :
977 // wine Bug: http://bugs.winehq.org/show_bug.cgi?id=25790
978 // Patch: http://source.winehq.org/patches/data/70889
979 // By: Alexander LAW, Replicate Windows behavior of WM_SETTEXT handler regarding WM_CTLCOLOR*
980 //
981 if (style & WS_VISIBLE)
982 #else
983 if (IsWindowVisible(hWnd))
984 #endif
985 {
986 HDC hdc = GetDC(hWnd);
987 HBRUSH hbrush;
988 RECT client, rc;
989 HWND parent = GetParent(hWnd);
990 UINT message = (btn_type == BS_PUSHBUTTON ||
991 btn_type == BS_DEFPUSHBUTTON ||
992 btn_type == BS_USERBUTTON ||
993 btn_type == BS_OWNERDRAW) ?
994 WM_CTLCOLORBTN : WM_CTLCOLORSTATIC;
995
996 if (!parent) parent = hWnd;
997 hbrush = (HBRUSH)SendMessageW(parent, message,
998 (WPARAM)hdc, (LPARAM)hWnd);
999 if (!hbrush) /* did the app forget to call DefWindowProc ? */
1000 hbrush = (HBRUSH)DefWindowProcW(parent, message,
1001 (WPARAM)hdc, (LPARAM)hWnd);
1002
1003 GetClientRect(hWnd, &client);
1004 rc = client;
1005 /* FIXME: check other BS_* handlers */
1006 if (btn_type == BS_GROUPBOX)
1007 InflateRect(&rc, -7, 1); /* GB_Paint does this */
1008 BUTTON_CalcLabelRect(infoPtr, hdc, &rc);
1009 /* Clip by client rect bounds */
1010 if (rc.right > client.right) rc.right = client.right;
1011 if (rc.bottom > client.bottom) rc.bottom = client.bottom;
1012 FillRect(hdc, &rc, hbrush);
1013 ReleaseDC(hWnd, hdc);
1014 }
1015
1016 DefWindowProcW( hWnd, WM_SETTEXT, wParam, lParam );
1017 if (btn_type == BS_GROUPBOX) /* Yes, only for BS_GROUPBOX */
1018 InvalidateRect( hWnd, NULL, TRUE );
1019 else
1020 paint_button( infoPtr, btn_type, ODA_DRAWENTIRE );
1021 return 1; /* success. FIXME: check text length */
1022 }
1023
1024 case WM_SETFONT:
1025 infoPtr->font = (HFONT)wParam;
1026 if (lParam) InvalidateRect(hWnd, NULL, TRUE);
1027 break;
1028
1029 case WM_GETFONT:
1030 return (LRESULT)infoPtr->font;
1031
1032 case WM_SETFOCUS:
1033 TRACE("WM_SETFOCUS %p\n",hWnd);
1034 infoPtr->state |= BST_FOCUS;
1035 #ifdef __REACTOS__
1036 if (btn_type != BS_OWNERDRAW)
1037 InvalidateRect(hWnd, NULL, FALSE);
1038 else
1039 #endif
1040 paint_button( infoPtr, btn_type, ODA_FOCUS );
1041 if (style & BS_NOTIFY)
1042 BUTTON_NOTIFY_PARENT(hWnd, BN_SETFOCUS);
1043 break;
1044
1045 case WM_KILLFOCUS:
1046 TRACE("WM_KILLFOCUS %p\n",hWnd);
1047 infoPtr->state &= ~BST_FOCUS;
1048 #ifndef __REACTOS__
1049 paint_button( infoPtr, btn_type, ODA_FOCUS );
1050 #endif
1051
1052 if ((infoPtr->state & BUTTON_BTNPRESSED) && GetCapture() == hWnd)
1053 ReleaseCapture();
1054 if (style & BS_NOTIFY)
1055 BUTTON_NOTIFY_PARENT(hWnd, BN_KILLFOCUS);
1056
1057 InvalidateRect( hWnd, NULL, FALSE );
1058 break;
1059
1060 case WM_SYSCOLORCHANGE:
1061 InvalidateRect( hWnd, NULL, FALSE );
1062 break;
1063
1064 case BM_SETSTYLE:
1065 btn_type = wParam & BS_TYPEMASK;
1066 style = (style & ~BS_TYPEMASK) | btn_type;
1067 SetWindowLongW( hWnd, GWL_STYLE, style );
1068
1069 /* Only redraw if lParam flag is set.*/
1070 if (lParam)
1071 InvalidateRect( hWnd, NULL, TRUE );
1072
1073 break;
1074
1075 case BM_CLICK:
1076 #ifdef __REACTOS__
1077 /* Fix for core CORE-6024 */
1078 if (infoPtr->state & BUTTON_BMCLICK)
1079 break;
1080 infoPtr->state |= BUTTON_BMCLICK;
1081 #endif
1082 SendMessageW( hWnd, WM_LBUTTONDOWN, 0, 0 );
1083 SendMessageW( hWnd, WM_LBUTTONUP, 0, 0 );
1084 #ifdef __REACTOS__
1085 infoPtr->state &= ~BUTTON_BMCLICK;
1086 #endif
1087 break;
1088
1089 case BM_SETIMAGE:
1090 /* Check that image format matches button style */
1091 switch (style & (BS_BITMAP|BS_ICON))
1092 {
1093 case BS_BITMAP:
1094 if (wParam != IMAGE_BITMAP) return 0;
1095 break;
1096 case BS_ICON:
1097 if (wParam != IMAGE_ICON) return 0;
1098 break;
1099 default:
1100 return 0;
1101 }
1102 oldHbitmap = infoPtr->u.image;
1103 infoPtr->u.image = (HANDLE)lParam;
1104 InvalidateRect( hWnd, NULL, FALSE );
1105 return (LRESULT)oldHbitmap;
1106
1107 case BM_GETIMAGE:
1108 return (LRESULT)infoPtr->u.image;
1109
1110 case BM_GETCHECK:
1111 return infoPtr->state & 3;
1112
1113 case BM_SETCHECK:
1114 if (wParam > maxCheckState[btn_type]) wParam = maxCheckState[btn_type];
1115 if ((btn_type == BS_RADIOBUTTON) || (btn_type == BS_AUTORADIOBUTTON))
1116 {
1117 style = wParam ? style | WS_TABSTOP : style & ~WS_TABSTOP;
1118 SetWindowLongW( hWnd, GWL_STYLE, style );
1119 }
1120 if ((infoPtr->state & 3) != wParam)
1121 {
1122 infoPtr->state = (infoPtr->state & ~3) | wParam;
1123 InvalidateRect( hWnd, NULL, FALSE );
1124 }
1125 #ifndef __REACTOS__
1126 if ((btn_type == BS_AUTORADIOBUTTON) && (wParam == BST_CHECKED) && (style & WS_CHILD))
1127 BUTTON_CheckAutoRadioButton( hWnd );
1128 #endif
1129 break;
1130
1131 case BM_GETSTATE:
1132 return infoPtr->state;
1133
1134 case BM_SETSTATE:
1135 state = infoPtr->state;
1136 new_state = wParam ? BST_PUSHED : 0;
1137
1138 if ((state ^ new_state) & BST_PUSHED)
1139 {
1140 if (wParam)
1141 state |= BST_PUSHED;
1142 else
1143 state &= ~BST_PUSHED;
1144
1145 if (btn_type == BS_USERBUTTON)
1146 BUTTON_NOTIFY_PARENT( hWnd, (state & BST_PUSHED) ? BN_HILITE : BN_UNHILITE );
1147 infoPtr->state = state;
1148
1149 InvalidateRect( hWnd, NULL, FALSE );
1150 }
1151 break;
1152
1153 #ifdef __REACTOS__
1154 case WM_UPDATEUISTATE:
1155 DefWindowProcW(hWnd, uMsg, wParam, lParam);
1156
1157 if (button_update_uistate(infoPtr))
1158 paint_button( infoPtr, btn_type, ODA_DRAWENTIRE );
1159 break;
1160 #endif
1161
1162 case WM_NCHITTEST:
1163 if(btn_type == BS_GROUPBOX) return HTTRANSPARENT;
1164 /* fall through */
1165 default:
1166 return DefWindowProcW(hWnd, uMsg, wParam, lParam);
1167 }
1168 return 0;
1169 }
1170
1171 /**********************************************************************
1172 * BUTTON_CalcLabelRect
1173 *
1174 * Calculates label's rectangle depending on button style.
1175 *
1176 * Returns flags to be passed to DrawText.
1177 * Calculated rectangle doesn't take into account button state
1178 * (pushed, etc.). If there is nothing to draw (no text/image) output
1179 * rectangle is empty, and return value is (UINT)-1.
1180 */
1181 static UINT BUTTON_CalcLabelRect(const BUTTON_INFO *infoPtr, HDC hdc, RECT *rc)
1182 {
1183 LONG style = GetWindowLongW( infoPtr->hwnd, GWL_STYLE );
1184 LONG ex_style = GetWindowLongW( infoPtr->hwnd, GWL_EXSTYLE );
1185 WCHAR *text;
1186 ICONINFO iconInfo;
1187 BITMAP bm;
1188 UINT dtStyle = BUTTON_BStoDT( style, ex_style );
1189 RECT r = *rc;
1190 INT n;
1191 #ifdef __REACTOS__
1192 BOOL bHasIml = BUTTON_DrawIml(hdc, &infoPtr->imlData, &r, TRUE, 0);
1193 #endif
1194
1195 /* Calculate label rectangle according to label type */
1196 switch (style & (BS_ICON|BS_BITMAP))
1197 {
1198 case BS_TEXT:
1199 {
1200 HFONT hFont, hPrevFont = 0;
1201
1202 if (!(text = get_button_text( infoPtr ))) goto empty_rect;
1203 if (!text[0])
1204 {
1205 heap_free( text );
1206 goto empty_rect;
1207 }
1208
1209 if ((hFont = infoPtr->font)) hPrevFont = SelectObject( hdc, hFont );
1210 DrawTextW(hdc, text, -1, &r, dtStyle | DT_CALCRECT);
1211 if (hPrevFont) SelectObject( hdc, hPrevFont );
1212 heap_free( text );
1213 #ifdef __REACTOS__
1214 if (infoPtr->ui_state & UISF_HIDEACCEL)
1215 dtStyle |= DT_HIDEPREFIX;
1216 #endif
1217 break;
1218 }
1219
1220 case BS_ICON:
1221 if (!GetIconInfo(infoPtr->u.icon, &iconInfo))
1222 goto empty_rect;
1223
1224 GetObjectW (iconInfo.hbmColor, sizeof(BITMAP), &bm);
1225
1226 r.right = r.left + bm.bmWidth;
1227 r.bottom = r.top + bm.bmHeight;
1228
1229 DeleteObject(iconInfo.hbmColor);
1230 DeleteObject(iconInfo.hbmMask);
1231 break;
1232
1233 case BS_BITMAP:
1234 if (!GetObjectW( infoPtr->u.bitmap, sizeof(BITMAP), &bm))
1235 goto empty_rect;
1236
1237 r.right = r.left + bm.bmWidth;
1238 r.bottom = r.top + bm.bmHeight;
1239 break;
1240
1241 default:
1242 empty_rect:
1243 #ifdef __REACTOS__
1244 if (bHasIml)
1245 break;
1246 #endif
1247 rc->right = r.left;
1248 rc->bottom = r.top;
1249 return (UINT)-1;
1250 }
1251
1252 #ifdef __REACTOS__
1253 if (bHasIml)
1254 {
1255 if (infoPtr->imlData.uAlign == BUTTON_IMAGELIST_ALIGN_LEFT)
1256 r.left = infoPtr->imlData.margin.left;
1257 else if (infoPtr->imlData.uAlign == BUTTON_IMAGELIST_ALIGN_RIGHT)
1258 r.right = infoPtr->imlData.margin.right;
1259 else if (infoPtr->imlData.uAlign == BUTTON_IMAGELIST_ALIGN_TOP)
1260 r.top = infoPtr->imlData.margin.top;
1261 else if (infoPtr->imlData.uAlign == BUTTON_IMAGELIST_ALIGN_BOTTOM)
1262 r.bottom = infoPtr->imlData.margin.bottom;
1263 }
1264 #endif
1265
1266 /* Position label inside bounding rectangle according to
1267 * alignment flags. (calculated rect is always left-top aligned).
1268 * If label is aligned to any side - shift label in opposite
1269 * direction to leave extra space for focus rectangle.
1270 */
1271 switch (dtStyle & (DT_CENTER|DT_RIGHT))
1272 {
1273 case DT_LEFT: r.left++; r.right++; break;
1274 case DT_CENTER: n = r.right - r.left;
1275 r.left = rc->left + ((rc->right - rc->left) - n) / 2;
1276 r.right = r.left + n; break;
1277 case DT_RIGHT: n = r.right - r.left;
1278 r.right = rc->right - 1;
1279 r.left = r.right - n;
1280 break;
1281 }
1282
1283 switch (dtStyle & (DT_VCENTER|DT_BOTTOM))
1284 {
1285 case DT_TOP: r.top++; r.bottom++; break;
1286 case DT_VCENTER: n = r.bottom - r.top;
1287 #ifdef __REACTOS__
1288 r.top = rc->top + ((rc->bottom - 1 - rc->top) - n) / 2;
1289 #else
1290 r.top = rc->top + ((rc->bottom - rc->top) - n) / 2;
1291 #endif
1292 r.bottom = r.top + n; break;
1293 case DT_BOTTOM: n = r.bottom - r.top;
1294 r.bottom = rc->bottom - 1;
1295 r.top = r.bottom - n;
1296 break;
1297 }
1298
1299 *rc = r;
1300 return dtStyle;
1301 }
1302
1303
1304 /**********************************************************************
1305 * BUTTON_DrawTextCallback
1306 *
1307 * Callback function used by DrawStateW function.
1308 */
1309 static BOOL CALLBACK BUTTON_DrawTextCallback(HDC hdc, LPARAM lp, WPARAM wp, int cx, int cy)
1310 {
1311 RECT rc;
1312
1313 SetRect(&rc, 0, 0, cx, cy);
1314 DrawTextW(hdc, (LPCWSTR)lp, -1, &rc, (UINT)wp);
1315 return TRUE;
1316 }
1317
1318
1319 /**********************************************************************
1320 * BUTTON_DrawLabel
1321 *
1322 * Common function for drawing button label.
1323 */
1324 static void BUTTON_DrawLabel(const BUTTON_INFO *infoPtr, HDC hdc, UINT dtFlags, const RECT *rc)
1325 {
1326 DRAWSTATEPROC lpOutputProc = NULL;
1327 LPARAM lp;
1328 WPARAM wp = 0;
1329 HBRUSH hbr = 0;
1330 UINT flags = IsWindowEnabled(infoPtr->hwnd) ? DSS_NORMAL : DSS_DISABLED;
1331 LONG state = infoPtr->state;
1332 LONG style = GetWindowLongW( infoPtr->hwnd, GWL_STYLE );
1333 WCHAR *text = NULL;
1334
1335 /* FIXME: To draw disabled label in Win31 look-and-feel, we probably
1336 * must use DSS_MONO flag and COLOR_GRAYTEXT brush (or maybe DSS_UNION).
1337 * I don't have Win31 on hand to verify that, so I leave it as is.
1338 */
1339
1340 #ifdef __REACTOS__
1341 RECT rcText = *rc;
1342 BUTTON_DrawIml(hdc, &infoPtr->imlData, &rcText, FALSE, 0);
1343 #endif
1344
1345 if ((style & BS_PUSHLIKE) && (state & BST_INDETERMINATE))
1346 {
1347 hbr = GetSysColorBrush(COLOR_GRAYTEXT);
1348 flags |= DSS_MONO;
1349 }
1350
1351 switch (style & (BS_ICON|BS_BITMAP))
1352 {
1353 case BS_TEXT:
1354 /* DST_COMPLEX -- is 0 */
1355 lpOutputProc = BUTTON_DrawTextCallback;
1356 if (!(text = get_button_text( infoPtr ))) return;
1357 lp = (LPARAM)text;
1358 wp = dtFlags;
1359 #ifdef __REACTOS__
1360 if (dtFlags & DT_HIDEPREFIX)
1361 flags |= DSS_HIDEPREFIX;
1362 #endif
1363 break;
1364
1365 case BS_ICON:
1366 flags |= DST_ICON;
1367 lp = (LPARAM)infoPtr->u.icon;
1368 break;
1369
1370 case BS_BITMAP:
1371 flags |= DST_BITMAP;
1372 lp = (LPARAM)infoPtr->u.bitmap;
1373 break;
1374
1375 default:
1376 return;
1377 }
1378
1379 #ifdef __REACTOS__
1380 DrawStateW(hdc, hbr, lpOutputProc, lp, wp, rcText.left, rcText.top,
1381 rcText.right - rcText.left, rcText.bottom - rcText.top, flags);
1382 #else
1383 DrawStateW(hdc, hbr, lpOutputProc, lp, wp, rc->left, rc->top,
1384 rc->right - rc->left, rc->bottom - rc->top, flags);
1385 #endif
1386 heap_free( text );
1387 }
1388
1389 /**********************************************************************
1390 * Push Button Functions
1391 */
1392 static void PB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action )
1393 {
1394 RECT rc, r;
1395 UINT dtFlags, uState;
1396 HPEN hOldPen, hpen;
1397 HBRUSH hOldBrush;
1398 INT oldBkMode;
1399 COLORREF oldTxtColor;
1400 HFONT hFont;
1401 LONG state = infoPtr->state;
1402 LONG style = GetWindowLongW( infoPtr->hwnd, GWL_STYLE );
1403 BOOL pushedState = (state & BST_PUSHED);
1404 HWND parent;
1405 HRGN hrgn;
1406 #ifdef __REACTOS__
1407 DWORD cdrf;
1408 #endif
1409
1410 GetClientRect( infoPtr->hwnd, &rc );
1411
1412 /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */
1413 if ((hFont = infoPtr->font)) SelectObject( hDC, hFont );
1414 parent = GetParent(infoPtr->hwnd);
1415 if (!parent) parent = infoPtr->hwnd;
1416 SendMessageW( parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)infoPtr->hwnd );
1417
1418 hrgn = set_control_clipping( hDC, &rc );
1419
1420 hpen = CreatePen( PS_SOLID, 1, GetSysColor(COLOR_WINDOWFRAME));
1421 hOldPen = SelectObject(hDC, hpen);
1422 hOldBrush = SelectObject(hDC,GetSysColorBrush(COLOR_BTNFACE));
1423 oldBkMode = SetBkMode(hDC, TRANSPARENT);
1424
1425 #ifdef __REACTOS__
1426 cdrf = BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_PREERASE, &rc);
1427 if (cdrf == CDRF_SKIPDEFAULT)
1428 goto cleanup;
1429 #endif
1430
1431 if (get_button_type(style) == BS_DEFPUSHBUTTON)
1432 {
1433 if (action != ODA_FOCUS)
1434 Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
1435 InflateRect( &rc, -1, -1 );
1436 }
1437
1438 /* completely skip the drawing if only focus has changed */
1439 if (action == ODA_FOCUS) goto draw_focus;
1440
1441 uState = DFCS_BUTTONPUSH;
1442
1443 if (style & BS_FLAT)
1444 uState |= DFCS_MONO;
1445 else if (pushedState)
1446 {
1447 if (get_button_type(style) == BS_DEFPUSHBUTTON )
1448 uState |= DFCS_FLAT;
1449 else
1450 uState |= DFCS_PUSHED;
1451 }
1452
1453 if (state & (BST_CHECKED | BST_INDETERMINATE))
1454 uState |= DFCS_CHECKED;
1455
1456 DrawFrameControl( hDC, &rc, DFC_BUTTON, uState );
1457
1458 #ifdef __REACTOS__
1459 if (cdrf == CDRF_NOTIFYPOSTERASE)
1460 BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_POSTERASE, &rc);
1461
1462 cdrf = BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_PREPAINT, &rc);
1463 if (cdrf == CDRF_SKIPDEFAULT)
1464 goto cleanup;
1465 #endif
1466
1467 /* draw button label */
1468 r = rc;
1469 dtFlags = BUTTON_CalcLabelRect(infoPtr, hDC, &r);
1470
1471 if (dtFlags == (UINT)-1L)
1472 goto cleanup;
1473
1474 if (pushedState)
1475 OffsetRect(&r, 1, 1);
1476
1477 oldTxtColor = SetTextColor( hDC, GetSysColor(COLOR_BTNTEXT) );
1478
1479 BUTTON_DrawLabel(infoPtr, hDC, dtFlags, &r);
1480
1481 SetTextColor( hDC, oldTxtColor );
1482
1483 #ifdef __REACTOS__
1484 if (cdrf == CDRF_NOTIFYPOSTPAINT)
1485 BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_POSTPAINT, &rc);
1486 #endif
1487
1488 draw_focus:
1489 if (action == ODA_FOCUS || (state & BST_FOCUS))
1490 {
1491 #ifdef __REACTOS__
1492 if (!(infoPtr->ui_state & UISF_HIDEFOCUS))
1493 {
1494 #endif
1495 InflateRect( &rc, -2, -2 );
1496 DrawFocusRect( hDC, &rc );
1497 #ifdef __REACTOS__
1498 }
1499 #endif
1500 }
1501
1502 cleanup:
1503 SelectObject( hDC, hOldPen );
1504 SelectObject( hDC, hOldBrush );
1505 SetBkMode(hDC, oldBkMode);
1506 SelectClipRgn( hDC, hrgn );
1507 if (hrgn) DeleteObject( hrgn );
1508 DeleteObject( hpen );
1509 }
1510
1511 /**********************************************************************
1512 * Check Box & Radio Button Functions
1513 */
1514
1515 static void CB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action )
1516 {
1517 RECT rbox, rtext, client;
1518 HBRUSH hBrush;
1519 int delta, text_offset, checkBoxWidth, checkBoxHeight;
1520 UINT dtFlags;
1521 HFONT hFont;
1522 LONG state = infoPtr->state;
1523 LONG style = GetWindowLongW( infoPtr->hwnd, GWL_STYLE );
1524 LONG ex_style = GetWindowLongW( infoPtr->hwnd, GWL_EXSTYLE );
1525 HWND parent;
1526 HRGN hrgn;
1527
1528 if (style & BS_PUSHLIKE)
1529 {
1530 PB_Paint( infoPtr, hDC, action );
1531 return;
1532 }
1533
1534 GetClientRect(infoPtr->hwnd, &client);
1535 rbox = rtext = client;
1536
1537 checkBoxWidth = 12 * GetDeviceCaps( hDC, LOGPIXELSX ) / 96 + 1;
1538 checkBoxHeight = 12 * GetDeviceCaps( hDC, LOGPIXELSY ) / 96 + 1;
1539
1540 if ((hFont = infoPtr->font)) SelectObject( hDC, hFont );
1541 GetCharWidthW( hDC, '0', '0', &text_offset );
1542 text_offset /= 2;
1543
1544 parent = GetParent(infoPtr->hwnd);
1545 if (!parent) parent = infoPtr->hwnd;
1546 hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORSTATIC, (WPARAM)hDC, (LPARAM)infoPtr->hwnd);
1547 if (!hBrush) /* did the app forget to call defwindowproc ? */
1548 hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORSTATIC, (WPARAM)hDC, (LPARAM)infoPtr->hwnd);
1549 hrgn = set_control_clipping( hDC, &client );
1550
1551 if (style & BS_LEFTTEXT || ex_style & WS_EX_RIGHT)
1552 {
1553 rtext.right -= checkBoxWidth + text_offset;
1554 rbox.left = rbox.right - checkBoxWidth;
1555 }
1556 else
1557 {
1558 rtext.left += checkBoxWidth + text_offset;
1559 rbox.right = checkBoxWidth;
1560 }
1561
1562 /* Since WM_ERASEBKGND does nothing, first prepare background */
1563 if (action == ODA_SELECT) FillRect( hDC, &rbox, hBrush );
1564 if (action == ODA_DRAWENTIRE) FillRect( hDC, &client, hBrush );
1565
1566 /* Draw label */
1567 client = rtext;
1568 dtFlags = BUTTON_CalcLabelRect(infoPtr, hDC, &rtext);
1569
1570 /* Only adjust rbox when rtext is valid */
1571 if (dtFlags != (UINT)-1L)
1572 {
1573 rbox.top = rtext.top;
1574 rbox.bottom = rtext.bottom;
1575 }
1576
1577 /* Draw the check-box bitmap */
1578 if (action == ODA_DRAWENTIRE || action == ODA_SELECT)
1579 {
1580 UINT flags;
1581
1582 if ((get_button_type(style) == BS_RADIOBUTTON) ||
1583 (get_button_type(style) == BS_AUTORADIOBUTTON)) flags = DFCS_BUTTONRADIO;
1584 else if (state & BST_INDETERMINATE) flags = DFCS_BUTTON3STATE;
1585 else flags = DFCS_BUTTONCHECK;
1586
1587 if (state & (BST_CHECKED | BST_INDETERMINATE)) flags |= DFCS_CHECKED;
1588 if (state & BST_PUSHED) flags |= DFCS_PUSHED;
1589
1590 if (style & WS_DISABLED) flags |= DFCS_INACTIVE;
1591
1592 /* rbox must have the correct height */
1593 delta = rbox.bottom - rbox.top - checkBoxHeight;
1594
1595 if (style & BS_TOP) {
1596 if (delta > 0) {
1597 rbox.bottom = rbox.top + checkBoxHeight;
1598 } else {
1599 rbox.top -= -delta/2 + 1;
1600 rbox.bottom = rbox.top + checkBoxHeight;
1601 }
1602 } else if (style & BS_BOTTOM) {
1603 if (delta > 0) {
1604 rbox.top = rbox.bottom - checkBoxHeight;
1605 } else {
1606 rbox.bottom += -delta/2 + 1;
1607 rbox.top = rbox.bottom - checkBoxHeight;
1608 }
1609 } else { /* Default */
1610 if (delta > 0) {
1611 int ofs = (delta / 2);
1612 rbox.bottom -= ofs + 1;
1613 rbox.top = rbox.bottom - checkBoxHeight;
1614 } else if (delta < 0) {
1615 int ofs = (-delta / 2);
1616 rbox.top -= ofs + 1;
1617 rbox.bottom = rbox.top + checkBoxHeight;
1618 }
1619 }
1620
1621 DrawFrameControl( hDC, &rbox, DFC_BUTTON, flags );
1622 }
1623
1624 if (dtFlags == (UINT)-1L) /* Noting to draw */
1625 return;
1626
1627 if (action == ODA_DRAWENTIRE)
1628 BUTTON_DrawLabel(infoPtr, hDC, dtFlags, &rtext);
1629
1630 /* ... and focus */
1631 if (action == ODA_FOCUS || (state & BST_FOCUS))
1632 {
1633 rtext.left--;
1634 rtext.right++;
1635 IntersectRect(&rtext, &rtext, &client);
1636 DrawFocusRect( hDC, &rtext );
1637 }
1638 SelectClipRgn( hDC, hrgn );
1639 if (hrgn) DeleteObject( hrgn );
1640 }
1641
1642
1643 /**********************************************************************
1644 * BUTTON_CheckAutoRadioButton
1645 *
1646 * hwnd is checked, uncheck every other auto radio button in group
1647 */
1648 static void BUTTON_CheckAutoRadioButton( HWND hwnd )
1649 {
1650 HWND parent, sibling, start;
1651
1652 parent = GetParent(hwnd);
1653 /* make sure that starting control is not disabled or invisible */
1654 #ifdef __REACTOS__
1655 start = sibling = hwnd;
1656 #else
1657 start = sibling = GetNextDlgGroupItem( parent, hwnd, TRUE );
1658 #endif
1659 do
1660 {
1661 if (!sibling) break;
1662 #ifdef __REACTOS__
1663 if (SendMessageW( sibling, WM_GETDLGCODE, 0, 0 ) == (DLGC_BUTTON | DLGC_RADIOBUTTON))
1664 SendMessageW( sibling, BM_SETCHECK, sibling == hwnd ? BST_CHECKED : BST_UNCHECKED, 0 );
1665 #else
1666 if ((hwnd != sibling) &&
1667 ((GetWindowLongW( sibling, GWL_STYLE) & BS_TYPEMASK) == BS_AUTORADIOBUTTON))
1668 SendMessageW( sibling, BM_SETCHECK, BST_UNCHECKED, 0 );
1669 #endif
1670 sibling = GetNextDlgGroupItem( parent, sibling, FALSE );
1671 } while (sibling != start);
1672 }
1673
1674
1675 /**********************************************************************
1676 * Group Box Functions
1677 */
1678
1679 static void GB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action )
1680 {
1681 RECT rc, rcFrame;
1682 HBRUSH hbr;
1683 HFONT hFont;
1684 UINT dtFlags;
1685 TEXTMETRICW tm;
1686 LONG style = GetWindowLongW( infoPtr->hwnd, GWL_STYLE );
1687 HWND parent;
1688 HRGN hrgn;
1689
1690 if ((hFont = infoPtr->font)) SelectObject( hDC, hFont );
1691 /* GroupBox acts like static control, so it sends CTLCOLORSTATIC */
1692 parent = GetParent(infoPtr->hwnd);
1693 if (!parent) parent = infoPtr->hwnd;
1694 hbr = (HBRUSH)SendMessageW(parent, WM_CTLCOLORSTATIC, (WPARAM)hDC, (LPARAM)infoPtr->hwnd);
1695 if (!hbr) /* did the app forget to call defwindowproc ? */
1696 hbr = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORSTATIC, (WPARAM)hDC, (LPARAM)infoPtr->hwnd);
1697 GetClientRect( infoPtr->hwnd, &rc);
1698 rcFrame = rc;
1699 hrgn = set_control_clipping( hDC, &rc );
1700
1701 GetTextMetricsW (hDC, &tm);
1702 rcFrame.top += (tm.tmHeight / 2) - 1;
1703 DrawEdge (hDC, &rcFrame, EDGE_ETCHED, BF_RECT | ((style & BS_FLAT) ? BF_FLAT : 0));
1704
1705 InflateRect(&rc, -7, 1);
1706 dtFlags = BUTTON_CalcLabelRect(infoPtr, hDC, &rc);
1707
1708 if (dtFlags != (UINT)-1)
1709 {
1710 /* Because buttons have CS_PARENTDC class style, there is a chance
1711 * that label will be drawn out of client rect.
1712 * But Windows doesn't clip label's rect, so do I.
1713 */
1714
1715 /* There is 1-pixel margin at the left, right, and bottom */
1716 rc.left--; rc.right++; rc.bottom++;
1717 FillRect(hDC, &rc, hbr);
1718 rc.left++; rc.right--; rc.bottom--;
1719
1720 BUTTON_DrawLabel(infoPtr, hDC, dtFlags, &rc);
1721 }
1722 SelectClipRgn( hDC, hrgn );
1723 if (hrgn) DeleteObject( hrgn );
1724 }
1725
1726
1727 /**********************************************************************
1728 * User Button Functions
1729 */
1730
1731 static void UB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action )
1732 {
1733 RECT rc;
1734 HBRUSH hBrush;
1735 HFONT hFont;
1736 LONG state = infoPtr->state;
1737 HWND parent;
1738
1739 GetClientRect( infoPtr->hwnd, &rc);
1740
1741 if ((hFont = infoPtr->font)) SelectObject( hDC, hFont );
1742
1743 parent = GetParent(infoPtr->hwnd);
1744 if (!parent) parent = infoPtr->hwnd;
1745 hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)infoPtr->hwnd);
1746 if (!hBrush) /* did the app forget to call defwindowproc ? */
1747 hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)infoPtr->hwnd);
1748
1749 FillRect( hDC, &rc, hBrush );
1750 if (action == ODA_FOCUS || (state & BST_FOCUS))
1751 DrawFocusRect( hDC, &rc );
1752
1753 switch (action)
1754 {
1755 case ODA_FOCUS:
1756 BUTTON_NOTIFY_PARENT( infoPtr->hwnd, (state & BST_FOCUS) ? BN_SETFOCUS : BN_KILLFOCUS );
1757 break;
1758
1759 case ODA_SELECT:
1760 BUTTON_NOTIFY_PARENT( infoPtr->hwnd, (state & BST_PUSHED) ? BN_HILITE : BN_UNHILITE );
1761 break;
1762
1763 default:
1764 break;
1765 }
1766 }
1767
1768
1769 /**********************************************************************
1770 * Ownerdrawn Button Functions
1771 */
1772
1773 static void OB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action )
1774 {
1775 LONG state = infoPtr->state;
1776 DRAWITEMSTRUCT dis;
1777 LONG_PTR id = GetWindowLongPtrW( infoPtr->hwnd, GWLP_ID );
1778 HWND parent;
1779 HFONT hFont;
1780 HRGN hrgn;
1781
1782 dis.CtlType = ODT_BUTTON;
1783 dis.CtlID = id;
1784 dis.itemID = 0;
1785 dis.itemAction = action;
1786 dis.itemState = ((state & BST_FOCUS) ? ODS_FOCUS : 0) |
1787 ((state & BST_PUSHED) ? ODS_SELECTED : 0) |
1788 (IsWindowEnabled(infoPtr->hwnd) ? 0: ODS_DISABLED);
1789 dis.hwndItem = infoPtr->hwnd;
1790 dis.hDC = hDC;
1791 dis.itemData = 0;
1792 GetClientRect( infoPtr->hwnd, &dis.rcItem );
1793
1794 if ((hFont = infoPtr->font)) SelectObject( hDC, hFont );
1795 parent = GetParent(infoPtr->hwnd);
1796 if (!parent) parent = infoPtr->hwnd;
1797 SendMessageW( parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)infoPtr->hwnd );
1798
1799 hrgn = set_control_clipping( hDC, &dis.rcItem );
1800
1801 SendMessageW( GetParent(infoPtr->hwnd), WM_DRAWITEM, id, (LPARAM)&dis );
1802 SelectClipRgn( hDC, hrgn );
1803 if (hrgn) DeleteObject( hrgn );
1804 }
1805
1806 #ifdef __REACTOS__ /* r73885 */
1807 static void PB_ThemedPaint( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused, LPARAM prfFlag)
1808 #else
1809 static void PB_ThemedPaint(HTHEME theme, const BUTTON_INFO *infoPtr, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused)
1810 #endif
1811 {
1812 static const int states[] = { PBS_NORMAL, PBS_DISABLED, PBS_HOT, PBS_PRESSED, PBS_DEFAULTED };
1813
1814 RECT bgRect, textRect;
1815 HFONT font = infoPtr->font;
1816 HFONT hPrevFont = font ? SelectObject(hDC, font) : NULL;
1817 int state = states[ drawState ];
1818 WCHAR *text = get_button_text(infoPtr);
1819 #ifdef __REACTOS__
1820 HWND parent;
1821 DWORD cdrf;
1822
1823 GetClientRect(infoPtr->hwnd, &bgRect);
1824 GetThemeBackgroundContentRect(theme, hDC, BP_PUSHBUTTON, state, &bgRect, &textRect);
1825
1826 if (prfFlag == 0)
1827 {
1828 if (IsThemeBackgroundPartiallyTransparent(theme, BP_PUSHBUTTON, state))
1829 DrawThemeParentBackground(infoPtr->hwnd, hDC, NULL);
1830 }
1831
1832 parent = GetParent(infoPtr->hwnd);
1833 if (!parent) parent = infoPtr->hwnd;
1834 SendMessageW( parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)infoPtr->hwnd );
1835
1836 cdrf = BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_PREERASE, &bgRect);
1837 if (cdrf == CDRF_SKIPDEFAULT)
1838 goto cleanup;
1839
1840 DrawThemeBackground(theme, hDC, BP_PUSHBUTTON, state, &bgRect, NULL);
1841
1842 if (cdrf == CDRF_NOTIFYPOSTERASE)
1843 BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_POSTERASE, &bgRect);
1844
1845 cdrf = BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_PREPAINT, &bgRect);
1846 if (cdrf == CDRF_SKIPDEFAULT)
1847 goto cleanup;
1848
1849 BUTTON_DrawIml(hDC, &infoPtr->imlData, &textRect, FALSE, drawState);
1850 #else
1851 GetClientRect(infoPtr->hwnd, &bgRect);
1852 GetThemeBackgroundContentRect(theme, hDC, BP_PUSHBUTTON, state, &bgRect, &textRect);
1853
1854 if (IsThemeBackgroundPartiallyTransparent(theme, BP_PUSHBUTTON, state))
1855 DrawThemeParentBackground(infoPtr->hwnd, hDC, NULL);
1856
1857 DrawThemeBackground(theme, hDC, BP_PUSHBUTTON, state, &bgRect, NULL);
1858 #endif
1859
1860 if (text)
1861 {
1862 DrawThemeText(theme, hDC, BP_PUSHBUTTON, state, text, lstrlenW(text), dtFlags, 0, &textRect);
1863 heap_free(text);
1864 #ifdef __REACTOS__
1865 text = NULL;
1866 #endif
1867 }
1868
1869 if (focused)
1870 {
1871 MARGINS margins;
1872 RECT focusRect = bgRect;
1873
1874 GetThemeMargins(theme, hDC, BP_PUSHBUTTON, state, TMT_CONTENTMARGINS, NULL, &margins);
1875
1876 focusRect.left += margins.cxLeftWidth;
1877 focusRect.top += margins.cyTopHeight;
1878 focusRect.right -= margins.cxRightWidth;
1879 focusRect.bottom -= margins.cyBottomHeight;
1880
1881 DrawFocusRect( hDC, &focusRect );
1882 }
1883
1884 #ifdef __REACTOS__
1885 if (cdrf == CDRF_NOTIFYPOSTPAINT)
1886 BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_POSTPAINT, &bgRect);
1887 cleanup:
1888 if (text) heap_free(text);
1889 #endif
1890 if (hPrevFont) SelectObject(hDC, hPrevFont);
1891 }
1892
1893 #ifdef __REACTOS__ /* r73885 */
1894 static void CB_ThemedPaint(HTHEME theme, const BUTTON_INFO *infoPtr, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused, LPARAM prfFlag)
1895 #else
1896 static void CB_ThemedPaint(HTHEME theme, const BUTTON_INFO *infoPtr, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused)
1897 #endif
1898 {
1899 static const int cb_states[3][5] =
1900 {
1901 { CBS_UNCHECKEDNORMAL, CBS_UNCHECKEDHOT, CBS_UNCHECKEDPRESSED, CBS_UNCHECKEDDISABLED, CBS_UNCHECKEDNORMAL },
1902 { CBS_CHECKEDNORMAL, CBS_CHECKEDHOT, CBS_CHECKEDPRESSED, CBS_CHECKEDDISABLED, CBS_CHECKEDNORMAL },
1903 { CBS_MIXEDNORMAL, CBS_MIXEDHOT, CBS_MIXEDPRESSED, CBS_MIXEDDISABLED, CBS_MIXEDNORMAL }
1904 };
1905
1906 static const int rb_states[2][5] =
1907 {
1908 { RBS_UNCHECKEDNORMAL, RBS_UNCHECKEDHOT, RBS_UNCHECKEDPRESSED, RBS_UNCHECKEDDISABLED, RBS_UNCHECKEDNORMAL },
1909 { RBS_CHECKEDNORMAL, RBS_CHECKEDHOT, RBS_CHECKEDPRESSED, RBS_CHECKEDDISABLED, RBS_CHECKEDNORMAL }
1910 };
1911
1912 SIZE sz;
1913 RECT bgRect, textRect;
1914 HFONT font, hPrevFont = NULL;
1915 int checkState = infoPtr->state & 3;
1916 DWORD dwStyle = GetWindowLongW(infoPtr->hwnd, GWL_STYLE);
1917 UINT btn_type = get_button_type( dwStyle );
1918 int part = (btn_type == BS_RADIOBUTTON) || (btn_type == BS_AUTORADIOBUTTON) ? BP_RADIOBUTTON : BP_CHECKBOX;
1919 int state = (part == BP_CHECKBOX)
1920 ? cb_states[ checkState ][ drawState ]
1921 : rb_states[ checkState ][ drawState ];
1922 WCHAR *text = get_button_text(infoPtr);
1923 LOGFONTW lf;
1924 BOOL created_font = FALSE;
1925 #ifdef __REACTOS__
1926 HWND parent;
1927 HBRUSH hBrush;
1928 DWORD cdrf;
1929 #endif
1930
1931 HRESULT hr = GetThemeFont(theme, hDC, part, state, TMT_FONT, &lf);
1932 if (SUCCEEDED(hr)) {
1933 font = CreateFontIndirectW(&lf);
1934 if (!font)
1935 TRACE("Failed to create font\n");
1936 else {
1937 TRACE("font = %s\n", debugstr_w(lf.lfFaceName));
1938 hPrevFont = SelectObject(hDC, font);
1939 created_font = TRUE;
1940 }
1941 } else {
1942 #ifdef __REACTOS__ /* r73885 */
1943 font = infoPtr->font;
1944 #else
1945 font = (HFONT)SendMessageW(infoPtr->hwnd, WM_GETFONT, 0, 0);
1946 #endif
1947 hPrevFont = SelectObject(hDC, font);
1948 }
1949
1950 if (FAILED(GetThemePartSize(theme, hDC, part, state, NULL, TS_DRAW, &sz)))
1951 sz.cx = sz.cy = 13;
1952
1953 GetClientRect(infoPtr->hwnd, &bgRect);
1954
1955 #ifdef __REACTOS__
1956 if (prfFlag == 0)
1957 {
1958 DrawThemeParentBackground(infoPtr->hwnd, hDC, NULL);
1959 }
1960
1961 parent = GetParent(infoPtr->hwnd);
1962 if (!parent) parent = infoPtr->hwnd;
1963 hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORSTATIC,
1964 (WPARAM)hDC, (LPARAM)infoPtr->hwnd);
1965 if (!hBrush) /* did the app forget to call defwindowproc ? */
1966 hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORSTATIC,
1967 (WPARAM)hDC, (LPARAM)infoPtr->hwnd );
1968 FillRect( hDC, &bgRect, hBrush );
1969
1970 cdrf = BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_PREERASE, &bgRect);
1971 if (cdrf == CDRF_SKIPDEFAULT)
1972 goto cleanup;
1973 #endif
1974
1975 GetThemeBackgroundContentRect(theme, hDC, part, state, &bgRect, &textRect);
1976
1977 if (dtFlags & DT_SINGLELINE) /* Center the checkbox / radio button to the text. */
1978 bgRect.top = bgRect.top + (textRect.bottom - textRect.top - sz.cy) / 2;
1979
1980 /* adjust for the check/radio marker */
1981 bgRect.bottom = bgRect.top + sz.cy;
1982 bgRect.right = bgRect.left + sz.cx;
1983 textRect.left = bgRect.right + 6;
1984
1985 #ifdef __REACTOS__
1986 DrawThemeBackground(theme, hDC, part, state, &bgRect, NULL);
1987
1988 if (cdrf == CDRF_NOTIFYPOSTERASE)
1989 BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_POSTERASE, &bgRect);
1990
1991 cdrf = BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_PREPAINT, &bgRect);
1992 if (cdrf == CDRF_SKIPDEFAULT)
1993 goto cleanup;
1994
1995 #else
1996 DrawThemeParentBackground(infoPtr->hwnd, hDC, NULL);
1997 DrawThemeBackground(theme, hDC, part, state, &bgRect, NULL);
1998 #endif
1999 if (text)
2000 {
2001 DrawThemeText(theme, hDC, part, state, text, lstrlenW(text), dtFlags, 0, &textRect);
2002
2003 if (focused)
2004 {
2005 RECT focusRect;
2006
2007 focusRect = textRect;
2008
2009 DrawTextW(hDC, text, lstrlenW(text), &focusRect, dtFlags | DT_CALCRECT);
2010
2011 if (focusRect.right < textRect.right) focusRect.right++;
2012 focusRect.bottom = textRect.bottom;
2013
2014 DrawFocusRect( hDC, &focusRect );
2015 }
2016
2017 heap_free(text);
2018 #ifdef __REACTOS__
2019 text = NULL;
2020 #endif
2021 }
2022
2023 #ifdef __REACTOS__
2024 if (cdrf == CDRF_NOTIFYPOSTPAINT)
2025 BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_POSTPAINT, &bgRect);
2026 cleanup:
2027 if (text) heap_free(text);
2028 #endif
2029 if (created_font) DeleteObject(font);
2030 if (hPrevFont) SelectObject(hDC, hPrevFont);
2031 }
2032
2033 #ifdef __REACTOS__ /* r73885 */
2034 static void GB_ThemedPaint(HTHEME theme, const BUTTON_INFO *infoPtr, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused, LPARAM prfFlag)
2035 #else
2036 static void GB_ThemedPaint(HTHEME theme, const BUTTON_INFO *infoPtr, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused)
2037 #endif
2038 {
2039 static const int states[] = { GBS_NORMAL, GBS_DISABLED, GBS_NORMAL, GBS_NORMAL, GBS_NORMAL };
2040
2041 RECT bgRect, textRect, contentRect;
2042 int state = states[ drawState ];
2043 WCHAR *text = get_button_text(infoPtr);
2044 LOGFONTW lf;
2045 HFONT font, hPrevFont = NULL;
2046 BOOL created_font = FALSE;
2047 #ifdef __REACTOS__ /* r74406 */
2048 HWND parent;
2049 HBRUSH hBrush;
2050 RECT clientRect;
2051 #endif
2052
2053 HRESULT hr = GetThemeFont(theme, hDC, BP_GROUPBOX, state, TMT_FONT, &lf);
2054 if (SUCCEEDED(hr)) {
2055 font = CreateFontIndirectW(&lf);
2056 if (!font)
2057 TRACE("Failed to create font\n");
2058 else {
2059 hPrevFont = SelectObject(hDC, font);
2060 created_font = TRUE;
2061 }
2062 } else {
2063 #ifdef __REACTOS__ /* r73885 */
2064 font = infoPtr->font;
2065 #else
2066 font = (HFONT)SendMessageW(infoPtr->hwnd, WM_GETFONT, 0, 0);
2067 #endif
2068 hPrevFont = SelectObject(hDC, font);
2069 }
2070
2071 GetClientRect(infoPtr->hwnd, &bgRect);
2072 textRect = bgRect;
2073
2074 if (text)
2075 {
2076 SIZE textExtent;
2077 GetTextExtentPoint32W(hDC, text, lstrlenW(text), &textExtent);
2078 bgRect.top += (textExtent.cy / 2);
2079 textRect.left += 10;
2080 textRect.bottom = textRect.top + textExtent.cy;
2081 textRect.right = textRect.left + textExtent.cx + 4;
2082
2083 ExcludeClipRect(hDC, textRect.left, textRect.top, textRect.right, textRect.bottom);
2084 }
2085
2086 GetThemeBackgroundContentRect(theme, hDC, BP_GROUPBOX, state, &bgRect, &contentRect);
2087 ExcludeClipRect(hDC, contentRect.left, contentRect.top, contentRect.right, contentRect.bottom);
2088
2089 #ifdef __REACTOS__ /* r73885 & r74149 */
2090 if (prfFlag == 0)
2091 #endif
2092 if (IsThemeBackgroundPartiallyTransparent(theme, BP_GROUPBOX, state))
2093 DrawThemeParentBackground(infoPtr->hwnd, hDC, NULL);
2094
2095 #ifdef __REACTOS__ /* r74406 */
2096 parent = GetParent(infoPtr->hwnd);
2097 if (!parent) parent = infoPtr->hwnd;
2098 hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORSTATIC,
2099 (WPARAM)hDC, (LPARAM)infoPtr->hwnd);
2100 if (!hBrush) /* did the app forget to call defwindowproc ? */
2101 hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORSTATIC,
2102 (WPARAM)hDC, (LPARAM)infoPtr->hwnd );
2103 GetClientRect(infoPtr->hwnd, &clientRect);
2104 FillRect( hDC, &clientRect, hBrush );
2105 #endif
2106
2107 DrawThemeBackground(theme, hDC, BP_GROUPBOX, state, &bgRect, NULL);
2108
2109 SelectClipRgn(hDC, NULL);
2110
2111 if (text)
2112 {
2113 InflateRect(&textRect, -2, 0);
2114 DrawThemeText(theme, hDC, BP_GROUPBOX, state, text, lstrlenW(text), 0, 0, &textRect);
2115 heap_free(text);
2116 }
2117
2118 if (created_font) DeleteObject(font);
2119 if (hPrevFont) SelectObject(hDC, hPrevFont);
2120 }
2121
2122 void BUTTON_Register(void)
2123 {
2124 WNDCLASSW wndClass;
2125
2126 memset(&wndClass, 0, sizeof(wndClass));
2127 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS | CS_VREDRAW | CS_HREDRAW | CS_PARENTDC;
2128 wndClass.lpfnWndProc = BUTTON_WindowProc;
2129 wndClass.cbClsExtra = 0;
2130 wndClass.cbWndExtra = sizeof(BUTTON_INFO *);
2131 wndClass.hCursor = LoadCursorW(0, (LPWSTR)IDC_ARROW);
2132 wndClass.hbrBackground = NULL;
2133 wndClass.lpszClassName = WC_BUTTONW;
2134 RegisterClassW(&wndClass);
2135 }
2136
2137
2138 #ifdef __REACTOS__
2139 void BUTTON_Unregister(void)
2140 {
2141 UnregisterClassW(WC_BUTTONW, NULL);
2142 }
2143 #endif
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